APA (7th ed.) Citation

Stoyan, Y., & Chugay, A. (2011). An optimization problem of packing identical circles into a multiply connected region. Part 1. A mathematical model and its characteristics. Проблемы машиностроения.

Chicago Style (17th ed.) Citation

Stoyan, Yu.G, and A.M Chugay. "An Optimization Problem of Packing Identical Circles into a Multiply Connected Region. Part 1. A Mathematical Model and Its Characteristics." Проблемы машиностроения 2011.

MLA (8th ed.) Citation

Stoyan, Yu.G, and A.M Chugay. "An Optimization Problem of Packing Identical Circles into a Multiply Connected Region. Part 1. A Mathematical Model and Its Characteristics." Проблемы машиностроения, 2011.

Warning: These citations may not always be 100% accurate.